Hey @NextGen_Account
so in the blueprint Sedan (simple vehicle template Content/VehicleBP/Sedan) or in the VehicleBlueprint (advanced vehicle template Content/VehicleAdvBP/Blueprints/) there is this code on EventBeginPlay:
You can change it to this:
This will enable the view from inside the car. To disable the Switch for changing the cameras you can disable this event:
So it looks like this: